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1 from the starting 2.61 eV to 2.19 eV at 25.0 GPa accompanied by a color change from light yellow to d
2 ssy carbon at ultrahigh pressures up to 49.0 GPa by utilizing our recently developed double-stage lar
5 n, J(c)(H = 0) increases from 3.9 x 10(5) (0 GPa) to 1.3 x 10(6) (1.02 GPa) A/cm(2) at 2 K as the pre
7 a phase transition from F-43m to Imma at 7.0 GPa and explained the carrier-type inversion at approxim
8 d metallization of GaSb at approximately 7.0 GPa, which corresponds to a structural phase transition
9 rom 3.9 x 10(5) (0 GPa) to 1.3 x 10(6) (1.02 GPa) A/cm(2) at 2 K as the pressure is increased from no
14 nd W that possess strengths in excess of 1.1 GPa in as-printed and post-processed forms and tensile d
15 bsorption spectroscopies, measured up to 2.1 GPa in a diamond anvil cell on single crystals, are in e
16 exchange angle theta is decreased below 22.1 GPa, thus enhancing the PL quantum yield leading to Sn (
17 talline Cu(2)OSeO(3) by pressures up to 42.1 GPa through a series of phase transitions from the cubic
20 annealed at 250 degrees C at approximately 1 GPa pressure using diamond anvil cells (DACs) with heati
22 sodium-magnesium aluminosilicate glass at 1 GPa at Tg, followed by sub-Tg annealing in-situ at 1 GPa
27 composites with high mechanical modulus (~ 1 GPa) yet with liquid-like ion motions inside, and provid
31 city-dependent UTSs increasing from 0.2 to 1 GPa in the available speed range, and 1.5 GPa extrapolat
32 can feature van-der-Waals pressures up to 1 GPa, producing a miniaturized high-pressure container fo
34 e and temperature range (pressure between 10 GPa and 110 GPa and temperature between 300 K and 4800 K
36 es with remarkably high elastic modulus (>10 GPa) have been fabricated through the self-assembly of l
37 d, the c/a ratio reaches unity at ca. P = 10 GPa, where a monoclinic (M(c)) but metrically cubic tran
38 ural studies of feldspars are limited to ~10 GPa, and have shown that the dominant mechanism of press
39 commensurate structure (i-oF4) above 200(10) GPa, before finally adopting a monatomic form (oI2) abov
41 ed-molecular structure (mC8, 130(10)-241(10) GPa) and the concomitant observation of a continuous ban
43 etallic, ultraincompressible (K(0) = 428(10) GPa), and very hard (nanoindentation hardness 36.7(8) GP
44 lopes at different pressure intervals, 0 100 GPa, 100 250 GPa, 250-400 GPa, respectively, and the mom
46 esis of cerium superhydride CeH(9) at 80-100 GPa in the laser-heated diamond anvil cell coupled with
48 cerium polyhydride CeH(9), formed above 100 GPa, presents a three-dimensional hydrogen network compo
52 of pure iron carbonate at pressures over 100 GPa and temperatures over 2,500 K using single-crystal X
53 ff films, including CVD diamond films (~1000 GPa stiffness), as well as the transverse modulus of 2D
56 ature range (pressure between 10 GPa and 110 GPa and temperature between 300 K and 4800 K), only the
58 0 MPa, modulus varying over the range 14-116 GPa, and density varying over the range 880-14500 kg/m(3
61 The sharp shrinkage of the lattice at 13 GPa and the solid state of the decompressed sample we ob
65 spin-paired and non-magnetic state at 60-133 GPa, while the presence of hydrogen has minimal effects
67 This martensitic transformation begins at 14 GPa and is attributed to suppression of the local magnet
71 Fe-Si and Fe-Si-O persisting to at least 140 GPa through a combination of laser-heated diamond-anvil
75 uO(6) polymorphs synthesized at 0, 6, and 15 GPa show B-site ordering, partial ordering, and disorder
76 ized by peak pressures possibly as low as 15 GPa for relatively long duration (on the order of 4 to 5
77 lagioclase is on average weakly shocked (<15 GPa) and examples of high shock states (>30 GPa; maskely
78 ers do not undergo phase transition up to 15 GPa, and in this pressure regime, their vibrational mode
79 results show that at low pressures up to 15 GPa, the carbon dioxide speciation is dominated by molec
81 kypaper/Parmax composite to 1145 MPa and 150 GPa, respectively, far exceeding those of Parmax and ali
82 rm that the sharp decrease in T(c) below 150 GPa is accompanied by continuous rhombohedral structural
86 er-ablation pressure compresses Pb up to 150 GPa while keeping it solid, over two times as high in pr
90 statically in diamond anvil cells (up to 157 GPa at room temperature) or dynamically by laser-generat
92 g phases in NaMgF(3) with compression to 162 GPa: NaMgF(3) (perovskite) -> NaMgF(3) (post-perovskite)
94 dden in the cubic phase) remain until ca. 17 GPa, where a monoclinic-cubic transition is known in lea
102 attice film has demonstrated modulus of 1.19 GPa and specific energy dissipation of 325.5 kJ/kg, surp
105 nd Raman spectra at low pressures (P = 1 - 2 GPa); and second, the c/a ratio reaches unity at ca. P =
106 y and compositional relationships in the 1.2 GPa Malaspina Pluton meant it was never likely to have d
109 th a transition region between 14.1 and 25.2 GPa is observed, accompanying with a volume collapse ref
110 he tetragonal structure was complete by 29.2 GPa, ~5 GPa higher than the transition pressure obtained
116 stable structure of methane hydrate above 2 GPa, where CH(4) molecules are located within H(2)O or D
119 rivial to a topological insulator phase at 2 GPa, which is caused by an energy gap close then reopen
124 high ultimate compressive strengths (over 2 GPa), high compressive failure strain (over 20%), and su
125 ), previously stabilized at high pressure (2 GPa) and high temperature (1600 K), is promising due to
126 emains nearly constant with pressure up to 2 GPa in good agreement with full-fledged density function
127 tetragonal phase is calculated to be 209(2) GPa and V(0) = 270(2) angstrom(3) when K(T0)' is fixed a
128 ined entrapment conditions, P(trap) = 6.5(2) GPa and T(trap) = 1125(32)-1140(33) degrees C, for the m
131 atography-mass spectrum, we found that at 20 GPa CHCF forms tilted columns with benzene and hexafluor
132 reduction along the stacking direction at 20 GPa in NOFN (18.8%) and 25 GPa in AOFN (8.7%) indicates
133 e increase in Si coordination observed at 20 GPa, we find no evidence for major structural changes oc
134 laments) with stiffness up to and beyond ~20 GPa, approaching the Young's moduli of many metal alloys
135 osed their formation at static pressures >20 GPa in a large planetary body, like diamonds formed deep
138 0%, and Young's modulus of approximately 200 GPa, offering one of the highest specific Young's modulu
141 tic (AFM) insulator at [Formula: see text]21 GPa whose AFM spin configuration is different from the A
144 overed from hydrothermal synthesis above ~24 GPa where the [Formula: see text]-type (Ct) structure ap
145 as a function of pressure from ambient to 24 GPa using Monte-Carlo simulations constrained by high en
146 g direction at 20 GPa in NOFN (18.8%) and 25 GPa in AOFN (8.7%) indicates the pressure-induced breakd
147 erent pressure intervals, 0 100 GPa, 100 250 GPa, 250-400 GPa, respectively, and the moment collapses
149 ure experiments of compounds stable to 24-26 GPa with Fe(4)O(5), Fe(5)O(6), Fe(7)O(9), and Fe(9)O(11)
150 rom 9.6 K at ambient to a peak at 23 K at 26 GPa and then drops as expected from the universal T(c)-P
151 ma phase has a large Young's modulus (ca. 26 GPa), a force of 0.1 muN can be generated under one lase
152 e-crystal X-ray diffraction studies up to 27 GPa, we report the discovery of new high-pressure polymo
154 le tensile tests yield maximum values of 290 GPa for the Young's modulus and 5.8 GPa for the fracture
159 ts at 24 hours (1.37 +/- 0.2 vs 6.13 +/- 0.3 GPa; p = 0.001) and 96 hours (5.57 +/- 0.5 vs 6.13 +/- 0
161 Here, we present experimental data at 1-3 GPa, 800 degrees C, and FMQ approximately -0.5 for the v
162 the acoustic velocities, measured up to 12.3 GPa using ultrasonic interferometry, exhibit velocity mi
165 superconductivity in In2 Se3 occurs at 41.3 GPa with a critical temperature (Tc ) of 3.7 K, peaking
166 tration of 3.6 vol.% approach 119.1 MPa, 5.3 GPa and 2.4 x 10(-4) S m(-1), with increases of 17%, 32.
168 , thermodynamically metastable below about 3 GPa, shows a calculated negative P-T slope for its forma
170 t-pressed antigorite at pressures of 4 and 3 GPa, respectively, and at temperatures reaching 1073 K.
171 m, feldspars are stable at pressures up to 3 GPa and may persist metastably at higher pressures under
172 ulus of Mg(2)TiO(4) spinel is K(T0) = 148(3) GPa when K(T0)' = 6.6, or K(T0) = 166(1) GPa when K(T0)'
173 ctafluoronaphthalene (AOFN), up to 25 and 30 GPa, respectively, using single-crystal synchrotron X-ra
175 affected by moderate to weak shock ( 5 to 30 GPa) we couple REE+Y abundances with FTIR analyses for F
176 appreciable local magnetic moments until 30 GPa to 40 GPa in the high-pressure phase of iron; howeve
177 the crystallization of chlorine at 1.15(30) GPa into an ordered orthorhombic structure (oC8), the ex
180 g, which exhibit higher Young's moduli (1.33 GPa) than many synthetic polymers and biological filamen
182 demonstrates outstanding hardness (up to 33 GPa) and fracture toughness (up to 5.2 MPa.m(1/2)), sign
184 ter passing a broad valley between 20 and 36 GPa and reaches 90 K without any sign of saturation at 5
185 in film synthesis of high-hardness (up to 37 GPa) B(50)C(2) via chemical vapor deposition was achieve
189 highest values of the Vickers hardness (32.4 GPa), dynamic strength (1323 MPa), strain and toughness
191 ectic curves were measured, beginning at 4.4 GPa and 165 degrees C (where it exists in a quadruple eq
192 4) qandilite was investigated to 50 and 40.4 GPa at room temperature using Raman spectroscopy and X-r
193 hat relatively mild pressure conditions (7.4 GPa at 300 K) are sufficient to transform ammonia monohy
194 orable compositions with a hardness above 40 GPa (at 0.5 N) are identified, proving this ensemble mod
196 e similar hardness values ( approximately 40 GPa at 0.49 N loading) as well as having a similar therm
198 extending into the superhard region (HV > 40 GPa) have guided synthesis and identification of novel s
200 known materials have a Vickers hardness >=40 GPa at 0.5 N (applied force) and only 10 exceed this mar
202 le local magnetic moments until 30 GPa to 40 GPa in the high-pressure phase of iron; however, no magn
203 e intervals, 0 100 GPa, 100 250 GPa, 250-400 GPa, respectively, and the moment collapses finally at 4
206 1 GPa in the available speed range, and 1.5 GPa extrapolated to the speeds expected in the sonicatio
207 uctural transition at [Formula: see text]1.5 GPa, and the other is from a ferromagnetic (FM) metal to
210 rich fluids at 600-700 degrees C and 1.5-2.5 GPa and the discovery of methane-rich fluid inclusions i
211 ce of pressure-induced emission (PIE) at 2.5 GPa with a broad emission band and large Stokes shift fr
212 at lower shock pressures ( approximately 2.5 GPa), and amorphization and structural collapse at highe
213 N m(-1) and Young's modulus of 17.8 +/- 2.5 GPa, higher than any previously reported nucleic acid de
215 sodium acetate at 300 degrees C and 2.4-3.5 GPa and that over a broader range of pressures and tempe
218 ic crystal with unit cell parameters (at 6.5 GPa and 20 degrees C) of a = 5.88 A, b = 6.59 A, c = 6.9
220 gonal structure was complete by 29.2 GPa, ~5 GPa higher than the transition pressure obtained by Rama
226 ered Cu-Cl perovskites require pressures >50 GPa to show a conductivity of 10(-4) S cm(-1) , whereas
227 of a new high-pressure phase above 40 to 50 GPa, although recently conjectured, remain unsolved to d
228 The Fd[Formula: see text]m phase at 500 GPa forms buckled honeycomb layers that give rise to a D
230 bon with a tensile strength of 1.60 +/- 0.55 GPa, a compressive strength approaching the theoretical
233 and IR wavelengths at pressures above ca. 56 GPa, suggesting the imminent closure of its optical band
237 compression under a mild pressure within 1.6 GPa considerably suppresses the carrier trapping, leadin
238 t, an ultra-high tensile strength of 2.4-2.6 GPa, a significant elongation of 4-10% and a good fractu
244 btained bulk modulus for 3R-MoN(2) is 77 (6) GPa, comparable with that of typical transition-metal di
246 The metallic character of (MA)PbI3 above 60 GPa was confirmed using both IR reflectivity and variabl
247 t])[Formula: see text] At pressures above 60 GPa, [Formula: see text]O further changes the structural
249 le tensile tests yields maximum values of 62 GPa for the Young's modulus and 0.70 GPa for the fractur
252 transition to antiferroelectric phase at 1.7 GPa adiabatic compression and become completely depolari
253 the Zr(0.5)Y(0.5)B(12) phase is 47.6 +/- 1.7 GPa at 0.49 N load, which is ~17% higher than that of it
254 effect of hydrostatic pressure up to P = 1.7 GPa on the fluctuation conductivity sigma'(T) and pseudo
256 h approaching the theoretical limit of ~13.7 GPa, a substantial elastic limit of 20-30% and a low den
258 nt pressure to the pressure as high as 261.7 GPa, a record-high pressure up to which a known supercon
259 through a broad pressure range of 28.2-61.7 GPa, where a mixed semiconducting and metallic feature i
260 strength (826 MPa) and Young's modulus (65.7 GPa) owing to the large length and the alignment of nano
263 s of 62 GPa for the Young's modulus and 0.70 GPa for the fracture strength, significantly higher than
264 of ortho-hydrogen at low pressures, above 70 GPa, we observe a crossover in the nuclear spin statisti
266 s to a specific compressive strength of 9.79 GPa cm(3) g(-1), a value that surpasses that of nearly a
267 rite and gabbro were emplaced at 1.2 and 1.8 GPa are parts of the Western Fiordland Orthogneiss (WFO)
270 ratio from 0.3 to 0.42 at a pressure of 1.8 GPa, revealing a number of emergent field-induced phases
271 s of 8.28 GPa combined with modulus of 221.8 GPa was obtained in Fe-Mn-Co-Cr-Si-Cu HEA by annealing t
281 se diameter is as small as 17 nm and whose 8 GPa yield strength exceeds that of bulk nickel by up to
284 ss relations in the ultrahard range (HV > 80 GPa) by examining single-crystal boron-doped diamond (BD
285 The X-ray diffraction (XRD) pattern at 0.84 GPa suggests that the crystallized p-xylene had a monocl
287 isobaric heating at pressure 0.1 <= P <= 1.9 GPa is compared for five variants of high- (HDA) and ver
292 the increase in T(c) with dT(c)/dP = +1.82 K.GPa(-1) while the resistance decreases as dlnrho(100 K)/
293 (c) (dT(c)/dP) becomes 0.91 K/GPa and 0.75 K/GPa from magnetization and resistivity measurements resp
294 dependence of T(c) (dT(c)/dP) becomes 0.91 K/GPa and 0.75 K/GPa from magnetization and resistivity me
297 nanoparticle arrays to pressures of tens of GPa, demonstrating pressure-driven assembly beyond the q
298 that phosphorylated glycogen phosphorylase (GPa), glycogen synthase (GSa) - respectively activated a
299 us by up to six orders of magnitude from the GPa to kPa level at a controlled temperature within 28-4
300 -plastic straining is reported that utilizes GPa-level laser shocking at a high strain rate (depsilon